curl --request GET \
  --url http://localhost:8000/api/users/me/usage \
  --header 'Authorization: Bearer <token>'

{
  "period_days": 30,
  "total_requests": 14523,
  "by_endpoint": {
    "/api/events": 4231,
    "/api/markets": 5102,
    "/api/search": 2890,
    "/api/comparisons": 1840,
    "/api/users/me": 460
  },
  "daily_usage": [
    {
      "date": "2025-01-15",
      "requests": 523
    },
    {
      "date": "2025-01-16",
      "requests": 481
    },
    {
      "date": "2025-01-17",
      "requests": 612
    }
  ]
}